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The test results show that the misfire malfunction simulation device can run reliably and have an apparent influence on the engine crankshaft instantaneous speed fluctuation.

实验结果表明，失火故障模拟装置运行可靠，通过对发动机瞬时转速波动的诊断能够有效地检测失火故障。

As one of China's four major outlet, the natural environment Alashankou port very poor, windy day in a maximum of 188 days, instantaneous great speed 46 meters per second.

作为我国四大风口之一，阿拉山口口岸自然环境十分恶劣，年最多大风日为188天，瞬时极大风速达每秒46米。

The waveform shape analysis based on the fluctuation law of the instantaneous angular speed of diesel engine under normal condition is an important monitoring method.

瞬时转速波形分析法是以柴油机正常态瞬时转速波动规律为判据的分析方法，因此，瞬时转速波动规律的仿真计算非常重要。

It can provide instantaneous velocity of whole flow field and has high resolving power and high precision.

它能够提供瞬时整个流场的定量信息，而且具有很高的空间分辨率和很好的精度。

On the basis of this,an observer is constructed to estimate the instantaneous velocity of a motor.

在此基础上提出了一种速度观测器以估计电机的瞬时速度。

In addition, the instantaneous velocity is calculated, and its influencing factors are analyzed.

另外，还分析了排气孔口瞬时速度的影响因素，对瞬时速度进行了计算。

In special modes, the AccuRange 3000 reports instantaneous velocity or continuous velocity measurements.

在特殊模式下，AccuRange 3000报告瞬时测量或连续测量。

The influences of reservoir pressure and pulse duration on instantaneous velocity are investigated.

在由 3根陶瓷滤管组成的实验装置上，利用热线风速仪对脉冲反吹时滤管外瞬态流场进行了测定，分析了喷吹压力和脉冲宽度对滤管外流场的影响。

Inside this article the author carefully discusses the research experiment on the concept of Instantaneous Velocity in senior middle school.

文章摘要：本文研究了中学物理中理解瞬时速度概念的实验。

In turbulent flow the instantaneous velocity at a point will vary about the mean value of ui .

但是在比临界流速更高的流速下波动稳定且振幅加大，引起高度的径向混合。

Hanna: That's over now, isn't it?

都结束了，对吗

You must be ill. You look so pale.

你一定是病了，你的脸色苍白。